EP1052989B1 - Application du 2-amino-6- trifluoromethoxy- benzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet - Google Patents

Application du 2-amino-6- trifluoromethoxy- benzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet Download PDF

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Publication number
EP1052989B1
EP1052989B1 EP99901703A EP99901703A EP1052989B1 EP 1052989 B1 EP1052989 B1 EP 1052989B1 EP 99901703 A EP99901703 A EP 99901703A EP 99901703 A EP99901703 A EP 99901703A EP 1052989 B1 EP1052989 B1 EP 1052989B1
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EP
European Patent Office
Prior art keywords
glutamate
cerebellum
riluzole
amino
benzothiazole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99901703A
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German (de)
English (en)
French (fr)
Other versions
EP1052989A1 (fr
Inventor
Andrees Bohme
Alain Boireau
Thierry Canton
Assunta Imperato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aventis Pharma SA
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Aventis Pharma SA
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Publication of EP1052989A1 publication Critical patent/EP1052989A1/fr
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425—Thiazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425—Thiazoles
    • A61K31/428—Thiazoles condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P21/00—Drugs for disorders of the muscular or neuromuscular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to a new therapeutic application of 2-amino-6-trifluoromethoxybenzothiazole known by the international common name "Riluzole” or a pharmaceutically acceptable salt of this compound.
  • Riluzole is marketed for the treatment of lateral sclerosis amyotrophic.
  • This compound is also useful as an anticonvulsant, anxiolytic and hypnotic (EP50551), in the treatment of schizophrenia (EP305276), in the treatment of sleep disorders and depression (EP305277), in the treatment of cerebrovascular disorders and as anesthetic (EP282971), in the treatment of spinal, cranial trauma or cranio-spinal (WO94 / 13288), as a radiorestaurator (WO94 / 15600), in the treatment of Parkinson's disease (WO94 / 15601), in the treatment of neuro-AIDS (WO94 / 20103), in the treatment of mitochondrial diseases (WO95 / 19170).
  • Glutamate is one of the most widely used and important neurotransmitters in the nervous system. Its effects on neurons are modulated by transport proteins which make glutamate penetrate inside cells.
  • the molecular structure of four glutamate transporters is well known (Gegelashvili, G. and Schousboe, A., J. Pharmacol. Exp. Ther ., 52: 6-15, 1997; Takahashi, M. et al., J. Exp Biol., 200: 401-409, 1997) and a fifth transporter has recently been identified (Arriza, JL, et al., Proc. Natl. Acad. Sci. USA , 94: 4155-4160).
  • EAAT1 GLAST
  • GLT-1 glial cells
  • EAAT-2 glial cells
  • EAAT-3 The transporter EAAC-1 (EAAT-3) is expressed by neurons throughout the brain.
  • the most recently identified transporter is called EAAT-5 and is found in the retina of the eye.
  • GABA gamma-aminobutyric acid
  • Riluzole stimulates transport glutamate in rat cerebellum preparations. So, Riluzole can be used for the prevention or treatment of dysfunctions of the cerebellum. especially those due to a poor glutamate supply of the cells of the cerebellum. Among these dysfunctions we can cite cerebellar ataxias.
  • the increase in glutamate uptake is evaluated in a suspension of synaptosomes prepared from rat cerebellum cells. This type of preparation is known to allow the in vitro study of the transport of glutamate through the cell wall (Kanai et al., Trends Neurosci ., 16: 365-370, 1993).
  • the synaptosomes were prepared according to an adaptation of the method described by Robinson, MB, et al . ( Brain Res ., 544: 196-202, 1991).
  • the cerebellum tissues or other regions of the brain of male Sprague-Dawley rats are homogenized in a sucrose solution (0.32 M) at 4 ° C. and then centrifuged at 800 g for 10 minutes. The supernatant is then re-centrifuged at 20,000 g for 20 minutes. The centrifugation pellet obtained is resuspended in an identical sucrose solution and then centrifuged again at 20,000 g for 20 minutes. The synaptosomes are contained in this second centrifugation pellet.
  • non-specific capture corresponds to the radioactivity measured after equimolar replacement of sodium chloride in the incubation medium with choline chloride.
  • the specific capture corresponds to the total radioactivity minus the radioactivity measured in the presence of choline chloride.
  • Figure 1 the graph represents the capture of radiolabelled glutamate in rat cerebellum synaptosomes (ordinate axis) as a function of increasing concentrations of Riluzole (axis of abscissa).
  • the maximum increase in catch observed in the presence of Riluzole reaches almost 40% of the control values.
  • salts of Riluzole can be in particular cited the addition salts with mineral acids such as hydrochloride, sulfate, nitrate, phosphate or organic such as acetate, propionate, succinate, oxalate, benzoate, fumarate, maleate, methanesulfonate, isethionate, theophillin-acetate, salicylate, phenolphthalinate, methylene-bis- ⁇ -oxynaphtoate or derivatives of substitution of these derivatives.
  • mineral acids such as hydrochloride, sulfate, nitrate, phosphate or organic such as acetate, propionate, succinate, oxalate, benzoate, fumarate, maleate, methanesulfonate, isethionate, theophillin-acetate, salicylate, phenolphthalinate, methylene-bis- ⁇ -oxynaphtoate or derivatives of substitution of these derivatives.
  • the drugs consist of at least Riluzole in free form or under in the form of an addition salt with a pharmaceutically acceptable acid, in the pure state or in the form of a composition in which it is associated with any other product pharmaceutically compatible, which may be inert or physiologically active.
  • the medicaments according to the invention can be used orally, parenterally or rectally.
  • compositions for oral administration can be used tablets, pills, powders (gelatin capsules, cachets) or granules.
  • the active principle according to the invention is mixed with one or several inert diluents, such as starch, cellulose, sucrose, lactose or silica. under a stream of argon.
  • these compositions can also include substances other than diluents, for example one or more lubricants such as magnesium stearate or talc, a colorant, a coating (dragees) or a varnish.
  • compositions for oral administration solutions, suspensions, emulsions, syrups and elixirs pharmaceutically acceptable containing inert diluents such as water. ethanol, glycerol, vegetable oils or paraffin oil.
  • inert diluents such as water. ethanol, glycerol, vegetable oils or paraffin oil.
  • These compositions may include substances other than diluents, for example products wetting, sweetening, thickening, flavoring or stabilizing agents.
  • the sterile compositions for parenteral administration can preferably be aqueous or non-aqueous solutions, suspensions or emulsions.
  • solvent or vehicle water, propylene glycol, a polyethylene glycol, vegetable oils, especially olive oil, esters injectable organic, e.g. ethyl oleate or other organic solvents Suitable.
  • These compositions can also contain adjuvants, in particular particularly wetting agents, isotonizers, emulsifiers, dispersants and stabilizers.
  • Sterilization can be done in several ways, for example by sanitizing filtration, incorporating sterilizing agents into the composition, by irradiation or by heating. They can also be prepared as sterile solid compositions which can be dissolved at the time of use in sterile water or any other sterile injectable medium.
  • compositions for rectal administration are suppositories or capsules rectals which contain, in addition to the active product, excipients such as butter cocoa, semisynthetic glycerides or polyethylene glycols.
  • the doses depend on the desired effect, the duration of the treatment and the route administration used; they are generally between 50 and 400 mg per daily by mouth for an adult with unit doses ranging from 25 to 200 mg of active substance.
  • the doctor will determine the appropriate dosage depending on age, weight and all other factors specific to the subject being treated.
  • the invention also relates to the process for preparing medicaments useful in prevention or treatment of cerebellar dysfunctions, especially those due to poor glutamate supply to the cerebellum cells and particular to the prevention or treatment of cerebellar ataxias consisting of mix Riluzole or the pharmaceutically acceptable salts of this compound with one or more pharmaceutical and compatible diluents and / or adjuvants acceptable.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Epidemiology (AREA)
  • Neurology (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Psychology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
EP99901703A 1998-02-06 1999-02-03 Application du 2-amino-6- trifluoromethoxy- benzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet Expired - Lifetime EP1052989B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9801402 1998-02-06
FR9801402A FR2774592B1 (fr) 1998-02-06 1998-02-06 Application du 2-amino-6-trifluoromethoxybenzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet
PCT/FR1999/000230 WO1999039710A1 (fr) 1998-02-06 1999-02-03 Application du 2-amino-6- trifluoromethoxy- benzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet

Publications (2)

Publication Number Publication Date
EP1052989A1 EP1052989A1 (fr) 2000-11-22
EP1052989B1 true EP1052989B1 (fr) 2003-07-30

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ID=9522673

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EP99901703A Expired - Lifetime EP1052989B1 (fr) 1998-02-06 1999-02-03 Application du 2-amino-6- trifluoromethoxy- benzothiazole pour la prevention ou le traitement des dysfonctionnements du cervelet

Country Status (18)

Country Link
US (1) US6245791B1 (es)
EP (1) EP1052989B1 (es)
JP (1) JP5127092B2 (es)
KR (1) KR100574378B1 (es)
AT (1) ATE245982T1 (es)
AU (1) AU761978B2 (es)
CA (1) CA2319686C (es)
DE (1) DE69909970T2 (es)
DK (1) DK1052989T3 (es)
EA (1) EA002676B1 (es)
ES (1) ES2199541T3 (es)
FR (1) FR2774592B1 (es)
IL (2) IL137608A0 (es)
NO (1) NO327819B1 (es)
NZ (1) NZ506124A (es)
PT (1) PT1052989E (es)
WO (1) WO1999039710A1 (es)
ZA (1) ZA99740B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872739B1 (en) * 1999-06-04 2005-03-29 Vereniging Voor Christelijk Wetenshappelikjk Onderwijs Use of riluzole for the treatment of multiple sclerosis
KR20210024475A (ko) * 2018-05-27 2021-03-05 바이오하벤 파마슈티컬 홀딩 컴퍼니 엘티디. 질환 치료를 위한 릴루졸 경구 붕해 정제의 용도

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68901859T2 (de) * 1988-12-15 1993-01-14 Rhone Poulenc Sante 2-benzothiazolamin-derivate enthaltende arzneimittel, verbindungen und ihre herstellung.
FR2700117B1 (fr) * 1993-01-07 1995-02-03 Rhone Poulenc Rorer Sa Application d'anticonvulsivants dans le traitement de la maladie de Parkinson et des syndromes parkinsoniens.
FR2702148B1 (fr) * 1993-03-05 1995-04-07 Rhone Poulenc Rorer Sa Application d'anticonvulsivants dans le traitement du neuro-sida.
FR2714828B1 (fr) * 1994-01-12 1996-02-02 Rhone Poulenc Rorer Sa Application du riluzole dans le traitement des maladies mitochondriales.
FR2726271B1 (fr) * 1994-10-26 1996-12-06 Rhone Poulenc Rorer Sa Derives de 6-polyfluoroalcoxy-2-aminobenzothiazole

Also Published As

Publication number Publication date
FR2774592A1 (fr) 1999-08-13
CA2319686A1 (fr) 1999-08-12
PT1052989E (pt) 2003-12-31
EA002676B1 (ru) 2002-08-29
ZA99740B (en) 1999-08-02
US6245791B1 (en) 2001-06-12
ES2199541T3 (es) 2004-02-16
IL137608A0 (en) 2001-07-24
DE69909970T2 (de) 2004-05-27
AU761978B2 (en) 2003-06-12
JP5127092B2 (ja) 2013-01-23
NO327819B1 (no) 2009-09-28
DE69909970D1 (de) 2003-09-04
IL137608A (en) 2006-09-05
NO20003785L (no) 2000-07-24
KR100574378B1 (ko) 2006-04-26
ATE245982T1 (de) 2003-08-15
EA200000816A1 (ru) 2001-02-26
KR20010040671A (ko) 2001-05-15
NO20003785D0 (no) 2000-07-24
AU2171199A (en) 1999-08-23
EP1052989A1 (fr) 2000-11-22
NZ506124A (en) 2003-07-25
FR2774592B1 (fr) 2000-03-17
WO1999039710A1 (fr) 1999-08-12
CA2319686C (fr) 2009-06-23
DK1052989T3 (da) 2003-11-17
JP2002502819A (ja) 2002-01-29

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